IPBES Invasive Alien Species Assessment

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Plutus Academy
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IPBES Invasive Alien Species Assessment

• GS3 Ecology and Environment

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Invasive Alien Species

• An invasive species is one that is not indigenous
  to a specific area
• It has a negative impact on the environment,
  economy, or human health.
• Intentionally or unintentionally introduced into
  a new area.

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Intergovernmental Platform on Biodiversity and
Ecosystem Services (IPBES)

• Also known as the "IPCC for biodiversity/
• An independent intergovernmental body with over
  140 member governments.
• Established by governments in 2012
• Provides policymakers with objective scientific
  assessments
• Not a United Nations organisation.
• But, UNEP provides secretariat services to IPBES

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Assessment Report on Invasive Alien Species and
their Control

• 37000 alien species introduced by human
  activities
• 60 of global extinctions due to 3500 invasive
  species
• 6 of introduced plant species
• 22 of introduced invertebrates
• 14 of introduced vertebrates
• 11 of introduced microbes

are recognized as invasive.
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Major Invasive Species- Water Hyacinth








Water hyacinth is one of the most invasive plants
in the world, and it has been introduced to over
100 countries. Water hyacinth can grow rapidly,
forming dense mats that can cover waterways and
disrupt ecosystems. It can also block sunlight
and prevent native plants from growing.
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Major Invasive Species- Lantana Camara

• Lantana, a flowering shrub is the second most
  common invasive species. Lantana can grow quickly
  and form dense thickets that can outcompete
  native plants. It can also produce toxic
  chemicals that can harm animals and humans.

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Major Invasive Species
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Methods to control invasive species

• Physical removal involves removing the species
  through tools or pesticides
• Biological control uses natural predators
• Genetic control introduces sterile genes,
• Cultural control alters human interactions with
  the environment to reduce invasive species'
  habitation.

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